src/mac/carbon/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/mdi.cpp
   3 // Purpose:     MDI classes
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_MDI
  15
  16 #include "wx/mdi.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/log.h"
  20     #include "wx/menu.h"
  21     #include "wx/settings.h"
  22     #include "wx/statusbr.h"
  23 #endif
  24
  25 #include "wx/mac/private.h"
  26 #include "wx/mac/uma.h"
  27
  28 extern wxWindowList wxModelessWindows;
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame)
  31 IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame)
  32 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
  33
  34 BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
  35     EVT_ACTIVATE(wxMDIParentFrame::OnActivate)
  36     EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
  37 END_EVENT_TABLE()
  38
  39 BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow)
  40     EVT_SCROLL(wxMDIClientWindow::OnScroll)
  41 END_EVENT_TABLE()
  42
  43 static const wxChar *TRACE_MDI = _T("mdi");
  44
  45 static const int IDM_WINDOWTILEHOR  = 4001;
  46 static const int IDM_WINDOWCASCADE = 4002;
  47 static const int IDM_WINDOWICONS = 4003;
  48 static const int IDM_WINDOWNEXT = 4004;
  49 static const int IDM_WINDOWTILEVERT = 4005;
  50
  51 // others
  52
  53 void UMAHighlightAndActivateWindow( WindowRef inWindowRef , bool inActivate )
  54 {
  55 #if 1 // TODO REMOVE
  56     if ( inWindowRef )
  57     {
  58 //        bool isHighlighted = IsWindowHighlited( inWindowRef ) ;
  59 //        if ( inActivate != isHighlighted )
  60 #ifndef __LP64__
  61         GrafPtr port ;
  62         GetPort( &port ) ;
  63         SetPortWindowPort( inWindowRef ) ;
  64 #endif
  65         HiliteWindow( inWindowRef , inActivate ) ;
  66         ControlRef control = NULL ;
  67         ::GetRootControl( inWindowRef , &control ) ;
  68         if ( control )
  69         {
  70             if ( inActivate )
  71                 ::ActivateControl( control ) ;
  72             else
  73                 ::DeactivateControl( control ) ;
  74         }
  75 #ifndef __LP64__
  76         SetPort( port ) ;
  77 #endif
  78     }
  79 #endif
  80 }
  81
  82 // ----------------------------------------------------------------------------
  83 // Parent frame
  84 // ----------------------------------------------------------------------------
  85
  86 void wxMDIParentFrame::Init()
  87 {
  88     m_clientWindow = NULL;
  89     m_currentChild = NULL;
  90     m_windowMenu = (wxMenu*) NULL;
  91     m_parentFrameActive = true;
  92     m_shouldBeShown = false;
  93 }
  94
  95 bool wxMDIParentFrame::Create(wxWindow *parent,
  96     wxWindowID id,
  97     const wxString& title,
  98     const wxPoint& pos,
  99     const wxSize& size,
 100     long style,
 101     const wxString& name)
 102 {
 103     // this style can be used to prevent a window from having the standard MDI
 104     // "Window" menu
 105     if ( style & wxFRAME_NO_WINDOW_MENU )
 106     {
 107         m_windowMenu = (wxMenu *)NULL;
 108         style -= wxFRAME_NO_WINDOW_MENU ;
 109     }
 110     else // normal case: we have the window menu, so construct it
 111     {
 112         m_windowMenu = new wxMenu;
 113
 114         m_windowMenu->Append(IDM_WINDOWCASCADE, wxT("&Cascade"));
 115         m_windowMenu->Append(IDM_WINDOWTILEHOR, wxT("Tile &Horizontally"));
 116         m_windowMenu->Append(IDM_WINDOWTILEVERT, wxT("Tile &Vertically"));
 117         m_windowMenu->AppendSeparator();
 118         m_windowMenu->Append(IDM_WINDOWICONS, wxT("&Arrange Icons"));
 119         m_windowMenu->Append(IDM_WINDOWNEXT, wxT("&Next"));
 120     }
 121
 122     wxFrame::Create( parent , id , title , pos , size , style , name ) ;
 123     m_parentFrameActive = true;
 124
 125     OnCreateClient();
 126
 127     return true;
 128 }
 129
 130 wxMDIParentFrame::~wxMDIParentFrame()
 131 {
 132     DestroyChildren();
 133
 134     // already deleted by DestroyChildren()
 135     m_clientWindow = NULL ;
 136
 137     delete m_windowMenu;
 138 }
 139
 140 void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar)
 141 {
 142     wxFrame::SetMenuBar( menu_bar ) ;
 143 }
 144
 145 void wxMDIParentFrame::GetRectForTopLevelChildren(int *x, int *y, int *w, int *h)
 146 {
 147     if (x)
 148         *x = 0;
 149     if (y)
 150         *y = 0;
 151
 152     wxDisplaySize(w, h);
 153 }
 154
 155 void wxMDIParentFrame::AddChild(wxWindowBase *child)
 156 {
 157     // moved this to front, so that we don't run into unset m_parent problems later
 158     wxFrame::AddChild(child);
 159
 160     if ( !m_currentChild )
 161     {
 162         m_currentChild = wxDynamicCast(child, wxMDIChildFrame);
 163
 164         if ( m_currentChild && IsShown() && !ShouldBeVisible() )
 165         {
 166             // we shouldn't remain visible any more
 167             wxFrame::Show(false);
 168             m_shouldBeShown = true;
 169         }
 170     }
 171 }
 172
 173 void wxMDIParentFrame::RemoveChild(wxWindowBase *child)
 174 {
 175     if ( child == m_currentChild )
 176     {
 177         // the current child isn't active any more, try to find another one
 178         m_currentChild = NULL;
 179
 180         for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 181               node;
 182               node = node->GetNext() )
 183         {
 184             wxMDIChildFrame *
 185                 childCur = wxDynamicCast(node->GetData(), wxMDIChildFrame);
 186             if ( childCur != child )
 187             {
 188                 m_currentChild = childCur;
 189                 break;
 190             }
 191         }
 192     }
 193
 194     wxFrame::RemoveChild(child);
 195
 196     // if there are no more children left we need to show the frame if we
 197     // hadn't shown it before because there were active children and it was
 198     // useless (note that we have to do it after fully removing the child, i.e.
 199     // after calling the base class RemoveChild() as otherwise we risk to touch
 200     // pointer to the child being deleted)
 201     if ( !m_currentChild && m_shouldBeShown && !IsShown() )
 202     {
 203         // we have to show it, but at least move it out of sight and make it of
 204         // smallest possible size (unfortunately (0, 0) doesn't work so that it
 205         // doesn't appear in expose
 206         SetSize(-10000, -10000, 1, 1);
 207         Show();
 208     }
 209 }
 210
 211 void wxMDIParentFrame::MacActivate(long timestamp, bool activating)
 212 {
 213     wxLogTrace(TRACE_MDI, wxT("MDI PARENT=%p MacActivate(0x%08lx,%s)"), this, timestamp, activating ? wxT("ACTIV") : wxT("deact"));
 214
 215     if (activating)
 216     {
 217         if (s_macDeactivateWindow && s_macDeactivateWindow->GetParent() == this)
 218         {
 219             wxLogTrace(TRACE_MDI, wxT("child had been scheduled for deactivation, rehighlighting"));
 220
 221             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 222
 223             wxLogTrace(TRACE_MDI, wxT("finished highliting child"));
 224
 225             s_macDeactivateWindow = NULL;
 226         }
 227         else if (s_macDeactivateWindow == this)
 228         {
 229             wxLogTrace(TRACE_MDI, wxT("Avoided deactivation/activation of this=%p"), this);
 230
 231             s_macDeactivateWindow = NULL;
 232         }
 233         else // window to deactivate is NULL or is not us or one of our kids
 234         {
 235             // activate kid instead
 236             if (m_currentChild)
 237                 m_currentChild->MacActivate(timestamp, activating);
 238             else
 239                 wxFrame::MacActivate(timestamp, activating);
 240         }
 241     }
 242     else
 243     {
 244         // We were scheduled for deactivation, and now we do it.
 245         if (s_macDeactivateWindow == this)
 246         {
 247             s_macDeactivateWindow = NULL;
 248             if (m_currentChild)
 249                 m_currentChild->MacActivate(timestamp, activating);
 250             wxFrame::MacActivate(timestamp, activating);
 251         }
 252         else // schedule ourselves for deactivation
 253         {
 254             if (s_macDeactivateWindow)
 255                 wxLogTrace(TRACE_MDI, wxT("window=%p SHOULD have been deactivated, oh well!"), s_macDeactivateWindow);
 256             wxLogTrace(TRACE_MDI, wxT("Scheduling delayed MDI Parent deactivation"));
 257
 258             s_macDeactivateWindow = this;
 259         }
 260     }
 261 }
 262
 263 void wxMDIParentFrame::OnActivate(wxActivateEvent& event)
 264 {
 265     event.Skip();
 266 }
 267
 268 // Returns the active MDI child window
 269 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 270 {
 271     return m_currentChild ;
 272 }
 273
 274 // Create the client window class (don't Create the window,
 275 // just return a new class)
 276 wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
 277 {
 278     m_clientWindow = new wxMDIClientWindow( this );
 279
 280     return m_clientWindow;
 281 }
 282
 283 // Responds to colour changes, and passes event on to children.
 284 void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 285 {
 286     // TODO
 287
 288     // Propagate the event to the non-top-level children
 289     wxFrame::OnSysColourChanged(event);
 290 }
 291
 292 // MDI operations
 293 void wxMDIParentFrame::Cascade()
 294 {
 295     // TODO
 296 }
 297
 298 void wxMDIParentFrame::Tile(wxOrientation WXUNUSED(orient))
 299 {
 300     // TODO
 301 }
 302
 303 void wxMDIParentFrame::ArrangeIcons()
 304 {
 305     // TODO
 306 }
 307
 308 void wxMDIParentFrame::ActivateNext()
 309 {
 310     // TODO
 311 }
 312
 313 void wxMDIParentFrame::ActivatePrevious()
 314 {
 315     // TODO
 316 }
 317
 318 bool wxMDIParentFrame::ShouldBeVisible() const
 319 {
 320     for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 321           node;
 322           node = node->GetNext() )
 323     {
 324         wxWindow *win = node->GetData();
 325
 326         if ( win->IsShown()
 327                 && !wxDynamicCast(win, wxMDIChildFrame)
 328 #if wxUSE_STATUSBAR
 329                 && win != (wxWindow*) GetStatusBar()
 330 #endif
 331                 && win != GetClientWindow() )
 332         {
 333             // if we have a non-MDI child, do remain visible so that it could
 334             // be used
 335             return true;
 336         }
 337     }
 338
 339     return false;
 340 }
 341
 342 bool wxMDIParentFrame::Show( bool show )
 343 {
 344     m_shouldBeShown = false;
 345
 346     // don't really show the MDI frame unless it has any children other than
 347     // MDI children as it is pretty useless in this case
 348
 349     if ( show )
 350     {
 351         if ( !ShouldBeVisible() && m_currentChild )
 352         {
 353             // don't make the window visible now but remember that we should
 354             // have had done it
 355             m_shouldBeShown = true;
 356
 357             return false;
 358         }
 359     }
 360
 361     return wxFrame::Show(show);
 362 }
 363
 364 // ----------------------------------------------------------------------------
 365 // Child frame
 366 // ----------------------------------------------------------------------------
 367
 368 wxMDIChildFrame::wxMDIChildFrame()
 369 {
 370     Init() ;
 371 }
 372 void wxMDIChildFrame::Init()
 373 {
 374 }
 375
 376 bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 377                              wxWindowID id,
 378                              const wxString& title,
 379                              const wxPoint& pos,
 380                              const wxSize& size,
 381                              long style,
 382                              const wxString& name)
 383 {
 384     SetName(name);
 385
 386     if ( id == wxID_ANY )
 387         m_windowId = (int)NewControlId();
 388     else
 389         m_windowId = id;
 390
 391     if (parent)
 392         parent->AddChild(this);
 393
 394     MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
 395
 396     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
 397
 398     wxModelessWindows.Append(this);
 399
 400     return true;
 401 }
 402
 403 wxMDIChildFrame::~wxMDIChildFrame()
 404 {
 405     DestroyChildren();
 406 }
 407
 408 void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar)
 409 {
 410     return wxFrame::SetMenuBar( menu_bar ) ;
 411 }
 412
 413 void wxMDIChildFrame::MacActivate(long timestamp, bool activating)
 414 {
 415     wxLogTrace(TRACE_MDI, wxT("MDI child=%p  MacActivate(0x%08lx,%s)"),this, timestamp, activating ? wxT("ACTIV") : wxT("deact"));
 416
 417     wxMDIParentFrame *mdiparent = wxDynamicCast(m_parent, wxMDIParentFrame);
 418     wxASSERT(mdiparent);
 419
 420     if (activating)
 421     {
 422         if (s_macDeactivateWindow == m_parent)
 423         {
 424             wxLogTrace(TRACE_MDI, wxT("parent had been scheduled for deactivation, rehighlighting"));
 425
 426             UMAHighlightAndActivateWindow((WindowRef)s_macDeactivateWindow->MacGetWindowRef(), true);
 427
 428             wxLogTrace(TRACE_MDI, wxT("finished highliting parent"));
 429
 430             s_macDeactivateWindow = NULL;
 431         }
 432         else if ((mdiparent->m_currentChild == this) || !s_macDeactivateWindow)
 433             mdiparent->wxFrame::MacActivate(timestamp, activating);
 434
 435         if (mdiparent->m_currentChild && mdiparent->m_currentChild != this)
 436             mdiparent->m_currentChild->wxFrame::MacActivate(timestamp, false);
 437         mdiparent->m_currentChild = this;
 438
 439         if (s_macDeactivateWindow == this)
 440         {
 441             wxLogTrace(TRACE_MDI, wxT("Avoided deactivation/activation of this=%p"), this);
 442
 443             s_macDeactivateWindow = NULL;
 444         }
 445         else
 446             wxFrame::MacActivate(timestamp, activating);
 447     }
 448     else
 449     {
 450         // We were scheduled for deactivation, and now we do it.
 451         if (s_macDeactivateWindow == this)
 452         {
 453             s_macDeactivateWindow = NULL;
 454             wxFrame::MacActivate(timestamp, activating);
 455             if (mdiparent->m_currentChild == this)
 456                 mdiparent->wxFrame::MacActivate(timestamp, activating);
 457         }
 458         else // schedule ourselves for deactivation
 459         {
 460             if (s_macDeactivateWindow)
 461                 wxLogTrace(TRACE_MDI, wxT("window=%p SHOULD have been deactivated, oh well!"), s_macDeactivateWindow);
 462             wxLogTrace(TRACE_MDI, wxT("Scheduling delayed deactivation"));
 463
 464             s_macDeactivateWindow = this;
 465         }
 466     }
 467 }
 468
 469 // MDI operations
 470 void wxMDIChildFrame::Maximize()
 471 {
 472     wxFrame::Maximize() ;
 473 }
 474
 475 void wxMDIChildFrame::Restore()
 476 {
 477     wxFrame::Restore() ;
 478 }
 479
 480 void wxMDIChildFrame::Activate()
 481 {
 482 }
 483
 484 //-----------------------------------------------------------------------------
 485 // wxMDIClientWindow
 486 //-----------------------------------------------------------------------------
 487
 488 wxMDIClientWindow::wxMDIClientWindow()
 489 {
 490 }
 491
 492 wxMDIClientWindow::~wxMDIClientWindow()
 493 {
 494     DestroyChildren();
 495 }
 496
 497 bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
 498 {
 499     if ( !wxWindow::Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style) )
 500         return false;
 501
 502     wxModelessWindows.Append(this);
 503
 504     return true;
 505 }
 506
 507 // Get size *available for subwindows* i.e. excluding menu bar.
 508 void wxMDIClientWindow::DoGetClientSize(int *x, int *y) const
 509 {
 510     wxDisplaySize( x , y ) ;
 511 }
 512
 513 // Explicitly call default scroll behaviour
 514 void wxMDIClientWindow::OnScroll(wxScrollEvent& WXUNUSED(event))
 515 {
 516 }
 517
 518 #endif // wxUSE_MDI